PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28-237Universal Joint,vehicular

Apex Tool Group, Llc · NSN 2520-00-136-5978 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-136-5978 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-136-5978. Primary manufacturer part number: 28-237.
Features
  • Universal Joint,vehicular — FSC 2520
  • Criticality Code Justification: AGAV AND FEAT
  • 4 verified cross-references
  • Primary manufacturer: Apex Tool Group, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Universal Joint,vehicular, cataloged under National Stock Number 2520-00-136-5978, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Apex Tool Group, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2520-00-136-5978
Primary Part Number28-237
Item NameUniversal Joint,vehicular
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerApex Tool Group, Llc
StatusCANCELLED
Criticality Code JustificationAGAV AND FEAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-00-369-4593 INTERCHANGEABLE
Coupling Half,quick Disconnect
9540-00-950-970628237 INTERCHANGEABLE
Angle,structural
Aluminum Co of America
6810-01-070-1847282-32H INTERCHANGEABLE
Potassium Hydroxide
Hach Company Dba Hach Co
Cross-Reference Index
Part NumberManufacturer
4C95017-183B Lockheed Martin Services, Llc (USA)
28-237 PRIMARY Apex Tool Group, Llc (USA)
4C95017-183B Lockheed Martin Corp (USA)
4C95017-183A Lockheed Martin Corp (USA)
Related Parts
4730-00-369-4593INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
9540-00-950-9706INTERCHANGEABLE
ANGLE,STRUCTURAL
28237
6810-01-070-1847INTERCHANGEABLE
POTASSIUM HYDROXIDE
282-32H

Frequently Asked Questions

What is NSN 2520-00-136-5978?

NSN 2520-00-136-5978 is a Universal Joint,vehicular, manufactured by Apex Tool Group, Llc, classified under FSC 2520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2520-00-136-5978?

NSN 2520-00-136-5978 has 4 cross-referenced part numbers: 4C95017-183B (Lockheed Martin Services, Llc), 28-237 (Apex Tool Group, Llc), 4C95017-183B (Lockheed Martin Corp), 4C95017-183A (Lockheed Martin Corp).

What NSN replaces 2520-00-136-5978?

There are 3 known substitutes for 2520-00-136-5978: 4730-00-369-4593, 9540-00-950-9706, 6810-01-070-1847. Verify interchangeability with system specifications before substitution.

What are the specifications of 28-237?

Key specifications for 28-237: Criticality Code Justification: AGAV AND FEAT; Special Features: PART OF THE DRIVE MECHANISM FOR FLIGHT CONTROL SYSTEM; End Item Identification: C5A GALAXY AIRCRAFT. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2520-00-136-5978 still in active supply?

NSN 2520-00-136-5978 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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